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写几条净化空气的建议,用英语写.5句话

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写几条净化空气的建议,用英语写.5句话
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答案和解析
We should not smoke.
We should not burn anything.
We had better not throw anything outside that burns easily.
We should not pour any dirty water.
We should not use coal outside.
亲:每天都开心V_V!
thanks!